clean up booting

many machine boot became obsolete
or just neede parfait to boot
actual linker functionality pending

test/arm/test_call.rb

@@ -25,7 +25,7 @@ module Arm
       assert_nil code.branch_to
     end
     def test_method_call
-      Risc.machine.boot
+      Parfait.boot!
       bin = Parfait::BinaryCode.new(1)
       Risc::Position.new(bin).set(0x20)
       code = @machine.call(	bin ,{} )#this jumps to the next instruction

test/arm/test_translator.rb

@@ -5,7 +5,6 @@ module Arm
 
     def setup
       Parfait.boot!
-      Risc.machine.boot
       @jump = Risc::DynamicJump.new("" , :r1)
       @codes = Translator.new.translate @jump
     end